Institute of research into the fundamental laws of the Universe

Fundamental Research Division

11-04-2022 - 6:17

For 13.7 billion years, the universe has never stopped evolving. Contrary to what our eyes tell us when we contemplate the sky, what composes it is » More

11-06-2018 - 5:25

The valley of stability

27-03-2018 - 14:38

Effondrement d'un nuage avec rotation

Collapse of a cloud with rotation

Simulation numérique de la fragmentation d’un nuage de gaz en rotation sous l'effet de la gravité. La simulation montre l'évolution du » More

10-03-2017 - 0min4s

L'axe de rotation des étoiles par l'astérosismologie

The axis of rotation of the stars by asterosismology

Diagramme montrant les variations d’amplitude d’un mode d’oscillation dipolaire (avec 3 composantes) en fonction de l’angle d’inclination » More

10-03-2017 - 0min9s

« Saturn, an ecosystem »

A new vision of the formation and evolution of the Saturn system

Saturne distorted by its satellites. First evidence of the deformation of Saturn by the tidal effects. Read » More

18-11-2016 - 8m37s

Moons are born from rings

The planetary rings may be at the origin of most of the satellites around planets

Numerical simulation of Saturn's moon formation from an initial massive rings This simulation shows how moons are created at the edge of Saturn's » More

30-11-2012 - 1min55s

Supernova in a cup of water

Hydraulic analogue of asymetric star explosions

A hydraulic instability crucial for massive stars explosions has been demonstrated in a very simple experience using an analogy between the sound » More

03-02-2012 -

Looking to star vibrations

Red giants oscillations

Analysis of star vibrations has allowed to reach the heart of red giant stars and to discover their modes of energy production. Copyrights : Pieter » More

31-03-2011 -

The secret of Saturn's rings

Numerical simulations show new moons forming now from the rings (Duration 4:25)

Numerical simulations peformed by a group of astrophysicists of the AIM-CEA Saclay Laboratory (University Paris Diderot, CEA, CNRS) and the Nice » More

09-06-2010 -

Masque d'étoile

Le coronographe de la caméra MIRI du JWST (durée:0.06 mn)

L'instrument (Mid-InfraRed Instrument) qui va équiper le télescope spatial James Webb (JWST), le successeur du télescope Hubble qui doit être » More

22-04-2010 -

The European satellite Planck has completed its first All-Sky Survey

High resolution mapping of the first light in the Universe

The Planck satellite must survey the entire sky to construct a high resolution image of the Universe's fossil » More

24-03-2010 -

A quasar giving birth to a galaxy ?

A starburst triggered by a massive black hole

A spectacular interaction between a quasar, a giant black hole at the heart of a galaxy, and a nearby companion galaxy is revealed by observations » More

22-02-2010 - 33''

Supernovae

25-11-2009 - 22''

Boule de feu aux confins de l'Univers

Le sursaut le plus violent détecté par le satellite Fermi

L'observatoire spatial à rayons gamma Fermi a détecté le sursaut gamma le plus violent jamais enregistré, une gigantesque explosion marquant la » More

18-02-2009 - 6"

Coup de semonce pour un cataclysme

Une explosion d'étoile annoncée par un flash lumineux

Des observations ont montré qu'une étoile massive qui s'est désintégrée était sans doute constituée uniquement de carbone et d'oxygène. Ce » More

14-01-2009 - 1'18''

Ama trailer

08-01-2009 - 2'40''